FIRST DOWN. All progress in a football game is measured in yards. The offensive team tries to get as much yardage as it can to try and move closer to the opponent's end zone. Each time the offense gets the ball, it has four downs, or chances, in which to gain 10 yards.
The largest eagle species in the world is the Pithecophaga jefferyi or Philippine eagle. This species of eagle is on the critically endangered list due to the rapid decline in habitat, which is the tropical rainforest. Keep Learning.
1 The wedge-tailed eagle is the largest bird of prey in Australia, and one of the largest birds of prey in the world. 2  The wedge-tailed eagle is named for its long, diamond-shaped tail. 3  Wedge-tailed eagles sometimes hunt cooperatively, and are able to take prey several times their own weight.